Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Idle Air Control (IAC) Valve - Mach I
Removal and Installation
1. Remove the air intake scoop. For additional
information, refer to Section.
2. Disconnect the idle air control (IAC) valve electrical connector.
3. Remove the bolts, the IAC valve and the gasket.
4. NOTE: Install a new ga ...
Installation
1. CAUTION: To prevent refrigerant system contamination, do not allow
dirt or other
foreign materials to enter the A/C compressor.
Clean the A/C compressor nose area.
2. Place the shaft seal on the special tool. Lubricate the shaft seal and the
special tool ...
Interior Trim Codes
The interior trim codes are listed below. The first letter/number is for the
interior fabric. The second
letter is for the interior color.
9 - Quantum/Rhodes cloth (base coupe)
A - Link weave cloth (Mach One)
M - Nudo Leather (Cobra)
T - Lea cloth with ...
